On 23.09.2015 15:03, Jérôme wrote: > Hi all. > > When resuming guest after suspend, the time is wrong (because the guest > doesn't know it has been suspended). > > Apparently, ntp running on the guest doesn't solve this. At least on > Linux system. I read it works on Windows guests. I don't understand why, > so I'd appreciate a link to an explanation, but I understand it is out > of scope for this list. > > The HW clock is correct and the guest agent is setup to use kvm-clock. > > Using the guest-set-time command does set the clock on the guest > according to the host. But this is not triggered automatically on > resume. > > I found discussions about this, even a patch proposal to call > guest-set-time on resume, but all of this is one year old and I can't > find any newer information. > > http://serverfault.com/questions/334698/how-to-keep-time-on-resumed-kvm-guest-with-libvirt > https://www.redhat.com/archives/libvirt-users/2014-October/msg00009.html > https://www.redhat.com/archives/libvir-list/2014-February/msg00520.html > > Is there any fresher information I have missed ? You can use "virsh resume $dom && virsh domtime --sync $dom" which will resume and resync the domain's clock from domain RTC. There were some attempts to wrap these into a single API, however, I was persuaded that it's a wrong idea. Wrapping two distinct operations into a single API is always wrong. Michal _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
